| Name | Hymenophyllum melanosorum (Copeland) C. V. Morton |
| Authorship | (Copeland) C. V. Morton |
| Rank | Species |
| Placed in | Hymenophyllum Smith |
| Citation | 1968 Contr. U.S. Natl. Herb. 38: 167 |
| Holdings | 14 Specimens held in the Harvard University Herbaria identified as Hymenophyllum melanosorum (Copeland) C. V. Morton |
| Identification made in | [no date] (8), 1999 (6) |